Foot And Ankle Muscles Flashcards

1
Q

Tibial is anterior - origin, insertion

A

Upper lateral tibia, interosseous membrane

Junction of the first ray

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2
Q

Extensor hallucis longus - origin, insertion

A

Anterior fibula, interosseous membrane

Base of the distal phalanx of hallux

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3
Q

Extensor digitorum longus - origin, insertion

A

Lateral tibial condyle, upper 3/4 of anterior fibula, interosseous membrane

Toe 2-5 (one central and two lateral slips)

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4
Q

Peroneus tertius - origin, insertion

A

Anterior lateral fibula

Dorsal base of the 5th metatarsal

***not present in everyone

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5
Q

Peroneus longus - origin, insertion

A

Head and upper fibula

Plantar junction of the 1st ray

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6
Q

Peroneus brevis - origin, insertion

A

Lower 2/3 of fibula

Tuberosity of base of 5th metatarsal

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7
Q

Gastrocnemius - origin, insertion

A

Medial head: posterior femoral condyle
Lateral head: lateral posterior femoral condyle

Achllies tendon

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8
Q

Soleus - origin, insertion

A

Posterior head and shaft of the fibula, posterior tibia below soleal line

Achilles’ tendon

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9
Q

Plantaris - origin, insertion

A

Lateral supracondylar line of femur

Achilles tendon

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10
Q

Tibialis posterior - origin, insertion

A

Upper 1/2 of fibula, interosseous membrane

All tarsals except talus, bases of metatarsals 2-4

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11
Q

Flexor digitiorum longus - origin, insertion

A

Middle 1/3 of tibia

Base of distal phalanx for toes 2-5

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12
Q

Flexor hallucis longus - origin, insertion

A

Lower 2/3 of fibula, interosseous membrane

Base of distal phalanx of hallux

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13
Q

Extensor digitorum brevis - origin, insertion

A

Floor of the calcaneous

Hallux and toes 2-4 through the extensor digitorum longus tendon

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14
Q

Abductor hallucis - origin, insertion

A

Medial calcaneal tubercle, flexor retinaculum, plantar apopneurosis

Medial proximal phalanx of hallux

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15
Q

Flexor digitorum brevis - origin, insertion

A

Medial calcaneal tubercle, plantar apopneurosis

Both sides of middle phalanx of digits 2-5

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16
Q

Abductor digiti minimi - origin, insertion

A

Lateral calcaneal tubercle, plantar apopneurosis

Lateral side of base of proximal phalanx of digit 5

17
Q

Lumbricals - origin, insertion

A

Tendons of flexor digitorum longus

Lateral extensor hood of digit 2, medial side of extensor hood of digits 3-5

18
Q

Quadratus plantae - origin, insertion

A

Medial head: medial calcaneal tubercle
Lateral head: lateral calcaneal tubercle

Posterior lateral margin of flexor digitorum longus tendon

19
Q

Flexor hallucis brevis - origin, insertion

A

Plantar surface of cuboid, 3rd cuneiform

Both sides of proximal phalanx of 1st digit

20
Q

Adductor hallucis - origin, insertion

A

Oblique head: base of metatarsals 2-4
Transverse head: plantar metatarsophalangeal ligaments of toes 2-5

Lateral base of proximal phalanx of hallux

21
Q

Flexor digiti minimi - origin, insertion

A

Base of 5th metatarsal

Base of proximal phalanx of 5th toe

22
Q

Dorsal interossei (DABs) - origin, insertion

A

Base and adjacent side of metatarsals 2-5

1st: extensor hood and medial side of proximal phalanx of digit 2
2nd-4th: extensor hood and lateral sides of proximal phalanges of digits 2-4

23
Q

Plantar interossei (PADs) - origin, insertion

A

Medial shafts of metatarsals 3-5

Extensor hood and medial sides of bases of proximal phalanges of digits 3-5

24
Q

Anterior compartment muscles

A

Tibialis anterior
Extensor hallicus longus
Extensor digitorum longus
Peroneus tertius

25
Q

Lateral compartment leg muscles

A

Peroneus longus
Peroneus brevis

26
Q

Superficial posterior compartment leg muscles

A

Gastrocnemius
Soleus
Plantaris

27
Q

Deep posterior compartment leg muscles

A

Tibialis posterior
Flexor digitorum longus
Flexor hallicus longus

28
Q

Dorsal foot muscles

A

Extensor digitorum brevis
Extensor hallicus brevis

29
Q

Plantar foot first layer muscles

A

Abductor hallicus
Flexor digitorum brevis
Abductor digiti minimi

30
Q

Plantar foot second layer muscles

A

Lumbricals
Quadratus plantae

31
Q

Plantar foot third layer muscles

A

Flexor hallicus brevis
Adductor hallicus
Flexor digiti minimi

32
Q

Plantar foot fourth layer muscles

A

PADs - plantar interossei adductors
DABs - dorsal interossei abductors